Giron, B.E.M. et al. 2024. Arduino-Based RFID Door Lock Security System with Piezo Electric Sensor and GSM Module for Venezia Townhomes in Sta. Maria, Bulacan: Vol.3, No.1A. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research. 3, 1A (Apr. 2024).